Q4 of 11 Page 197

Evaluate

(i)

(ii)

(i) Formula


 


am/an = a(m-n)


 



 


By using above formula in question:


 



 


= 53 × 2


 


= 125 × 2


 


= 250


 


(ii) Formula:


 



 



 


By using above formula in question:


 



 


More from this chapter

All 11 →
2

Simplify and express the result in power notation with positive exponent.


(i) (-4)5 ÷ (-4)8  


(ii) 


(iii) 


(iv) (3-7 ÷ 3-10) × 3-5


(v)  2-3 × (-7)-3


 

 3

Find the value of.

(i)

(ii)

(iii)

(iv)

(v)

5

Find the value of m for which 5m ÷ 5-3 = 55.

 6

Evaluate

(i)


(ii)